Subtract your from your bust measurement . Each inch of difference corresponds to a cup size: 1-inch difference: A cup 2-inch difference: B cup 3-inch difference: C cup 4-inch difference: D cup 5-inch difference: DD/E cup
Wrap the measuring tape around the fullest part of your chest (usually across the nipples). Ensure the tape is straight across your back and not tilted. Round this measurement to the nearest whole number. 3. Calculate Your Cup Size how to know what size bra to buy
Round up to the next even number (e.g., if you measure 31 inches, your band size is 32). Subtract your from your bust measurement